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root/cebix/SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp

Comparing SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp (file contents):
Revision 1.32 by gbeauche, 2004-04-18T23:03:53Z vs.
Revision 1.39 by gbeauche, 2004-05-20T11:05:30Z

#	Line 38 | Line 38
38		#include "name_registry.h"
39		#include "serial.h"
40		#include "ether.h"
41	+	#include "timer.h"
42
43		#include <stdio.h>
44		#include <stdlib.h>
#	Line 86 | Line 87 | const uint32 POWERPC_EXEC_RETURN = POWER
87		// Enable multicore (main/interrupts) cpu emulation?
88		#define MULTICORE_CPU (ASYNC_IRQ ? 1 : 0)
89
90	+	// Enable interrupt routine safety checks?
91	+	#define SAFE_INTERRUPT_PPC 1
92	+
93		// Enable Execute68k() safety checks?
94		#define SAFE_EXEC_68K 1
95
#	Line 98 | Line 102 | const uint32 POWERPC_EXEC_RETURN = POWER
102		// Interrupts in native mode?
103		#define INTERRUPTS_IN_NATIVE_MODE 1
104
105	+	// Enable native EMUL_OPs to be run without a mode switch
106	+	#define ENABLE_NATIVE_EMUL_OP 1
107	+
108		// Pointer to Kernel Data
109		static KernelData * const kernel_data = (KernelData *)KERNEL_DATA_BASE;
110
111		// SIGSEGV handler
112		static sigsegv_return_t sigsegv_handler(sigsegv_address_t, sigsegv_address_t);
113
114	+	#if PPC_ENABLE_JIT && PPC_REENTRANT_JIT
115	+	// Special trampolines for EmulOp and NativeOp
116	+	static uint8 *emul_op_trampoline;
117	+	static uint8 *native_op_trampoline;
118	+	#endif
119	+
120		// JIT Compiler enabled?
121		static inline bool enable_jit_p()
122		{
#	Line 126 | Line 139 | class sheepshaver_cpu
139		void init_decoder();
140		void execute_sheep(uint32 opcode);
141
142	+	// Filter out EMUL_OP routines that only call native code
143	+	bool filter_execute_emul_op(uint32 emul_op);
144	+
145	+	// "Native" EMUL_OP routines
146	+	void execute_emul_op_microseconds();
147	+	void execute_emul_op_idle_time_1();
148	+	void execute_emul_op_idle_time_2();
149	+
150	+	// CPU context to preserve on interrupt
151	+	class interrupt_context {
152	+	uint32 gpr[32];
153	+	uint32 pc;
154	+	uint32 lr;
155	+	uint32 ctr;
156	+	uint32 cr;
157	+	uint32 xer;
158	+	sheepshaver_cpu *cpu;
159	+	const char *where;
160	+	public:
161	+	interrupt_context(sheepshaver_cpu *_cpu, const char *_where);
162	+	~interrupt_context();
163	+	};
164	+
165		public:
166
167		// Constructor
#	Line 137 | Line 173 | public:
173		uint32 get_xer() const          { return xer().get(); }
174		void set_xer(uint32 v)          { xer().set(v); }
175
176	+	// Execute NATIVE_OP routine
177	+	void execute_native_op(uint32 native_op);
178	+
179		// Execute EMUL_OP routine
180		void execute_emul_op(uint32 emul_op);
181
#	Line 150 | Line 189 | public:
189		uint32 execute_macos_code(uint32 tvect, int nargs, uint32 const *args);
190
191		// Compile one instruction
192	<	virtual bool compile1(codegen_context_t & cg_context);
192	>	virtual int compile1(codegen_context_t & cg_context);
193
194		// Resource manager thunk
195		void get_resource(uint32 old_get_resource);
#	Line 221 | Line 260 | void sheepshaver_cpu::init_decoder()
260		}
261		}
262
224	–	// Forward declaration for native opcode handler
225	–	static void NativeOp(int selector);
226	–
263		/*              NativeOp instruction format:
264	<	+------------+--------------------------+--+----------+------------+
265	<	|      6     |                          |FN|    OP    |      2     |
266	<	+------------+--------------------------+--+----------+------------+
267	<	0         5 |6                       19 20 21      25 26        31
264	>	+------------+-------------------------+--+-----------+------------+
265	>	|      6     |                         |FN|    OP     |      2     |
266	>	+------------+-------------------------+--+-----------+------------+
267	>	0         5 |6                      18 19 20      25 26        31
268		*/
269
270	<	typedef bit_field< 20, 20 > FN_field;
271	<	typedef bit_field< 21, 25 > NATIVE_OP_field;
270	>	typedef bit_field< 19, 19 > FN_field;
271	>	typedef bit_field< 20, 25 > NATIVE_OP_field;
272		typedef bit_field< 26, 31 > EMUL_OP_field;
273
274	+	// "Native" EMUL_OP routines
275	+	#define GPR_A(REG) gpr(16 + (REG))
276	+	#define GPR_D(REG) gpr( 8 + (REG))
277	+
278	+	void sheepshaver_cpu::execute_emul_op_microseconds()
279	+	{
280	+	Microseconds(GPR_A(0), GPR_D(0));
281	+	}
282	+
283	+	void sheepshaver_cpu::execute_emul_op_idle_time_1()
284	+	{
285	+	// Sleep if no events pending
286	+	if (ReadMacInt32(0x14c) == 0)
287	+	Delay_usec(16667);
288	+	GPR_A(0) = ReadMacInt32(0x2b6);
289	+	}
290	+
291	+	void sheepshaver_cpu::execute_emul_op_idle_time_2()
292	+	{
293	+	// Sleep if no events pending
294	+	if (ReadMacInt32(0x14c) == 0)
295	+	Delay_usec(16667);
296	+	GPR_D(0) = (uint32)-2;
297	+	}
298	+
299	+	// Filter out EMUL_OP routines that only call native code
300	+	bool sheepshaver_cpu::filter_execute_emul_op(uint32 emul_op)
301	+	{
302	+	switch (emul_op) {
303	+	case OP_MICROSECONDS:
304	+	execute_emul_op_microseconds();
305	+	return true;
306	+	case OP_IDLE_TIME:
307	+	execute_emul_op_idle_time_1();
308	+	return true;
309	+	case OP_IDLE_TIME_2:
310	+	execute_emul_op_idle_time_2();
311	+	return true;
312	+	}
313	+	return false;
314	+	}
315	+
316		// Execute EMUL_OP routine
317		void sheepshaver_cpu::execute_emul_op(uint32 emul_op)
318		{
319	+	#if ENABLE_NATIVE_EMUL_OP
320	+	// First, filter out EMUL_OPs that can be executed without a mode switch
321	+	if (filter_execute_emul_op(emul_op))
322	+	return;
323	+	#endif
324	+
325		M68kRegisters r68;
326		WriteMacInt32(XLM_68K_R25, gpr(25));
327		WriteMacInt32(XLM_RUN_MODE, MODE_EMUL_OP);
#	Line 275 | Line 359 | void sheepshaver_cpu::execute_sheep(uint
359		break;
360
361		case 2:         // EXEC_NATIVE
362	<	NativeOp(NATIVE_OP_field::extract(opcode));
362	>	execute_native_op(NATIVE_OP_field::extract(opcode));
363		if (FN_field::test(opcode))
364		pc() = lr();
365		else
#	Line 290 | Line 374 | void sheepshaver_cpu::execute_sheep(uint
374		}
375
376		// Compile one instruction
377	<	bool sheepshaver_cpu::compile1(codegen_context_t & cg_context)
377	>	int sheepshaver_cpu::compile1(codegen_context_t & cg_context)
378		{
379		#if PPC_ENABLE_JIT
380		const instr_info_t *ii = cg_context.instr_info;
381		if (ii->mnemo != PPC_I(SHEEP))
382	<	return false;
382	>	return COMPILE_FAILURE;
383
384	<	bool compiled = false;
384	>	int status = COMPILE_FAILURE;
385		powerpc_dyngen & dg = cg_context.codegen;
386		uint32 opcode = cg_context.opcode;
387
388		switch (opcode & 0x3f) {
389		case 0:         // EMUL_RETURN
390		dg.gen_invoke(QuitEmulator);
391	<	compiled = true;
391	>	status = COMPILE_CODE_OK;
392		break;
393
394		case 1:         // EXEC_RETURN
395		dg.gen_spcflags_set(SPCFLAG_CPU_EXEC_RETURN);
396	<	compiled = true;
396	>	// Don't check for pending interrupts, we do know we have to
397	>	// get out of this block ASAP
398	>	dg.gen_exec_return();
399	>	status = COMPILE_EPILOGUE_OK;
400		break;
401
402		case 2: {       // EXEC_NATIVE
403		uint32 selector = NATIVE_OP_field::extract(opcode);
404		switch (selector) {
405	+	#if !PPC_REENTRANT_JIT
406	+	// Filter out functions that may invoke Execute68k() or
407	+	// CallMacOS(), this would break reentrancy as they could
408	+	// invalidate the translation cache and even overwrite
409	+	// continuation code when we are done with them.
410		case NATIVE_PATCH_NAME_REGISTRY:
411		dg.gen_invoke(DoPatchNameRegistry);
412	<	compiled = true;
412	>	status = COMPILE_CODE_OK;
413		break;
414		case NATIVE_VIDEO_INSTALL_ACCEL:
415		dg.gen_invoke(VideoInstallAccel);
416	<	compiled = true;
416	>	status = COMPILE_CODE_OK;
417		break;
418		case NATIVE_VIDEO_VBL:
419		dg.gen_invoke(VideoVBL);
420	<	compiled = true;
420	>	status = COMPILE_CODE_OK;
421		break;
422		case NATIVE_GET_RESOURCE:
423		case NATIVE_GET_1_RESOURCE:
#	Line 343 | Line 435 | bool sheepshaver_cpu::compile1(codegen_c
435		typedef void (*func_t)(dyngen_cpu_base, uint32);
436		func_t func = (func_t)nv_mem_fun(&sheepshaver_cpu::get_resource).ptr();
437		dg.gen_invoke_CPU_im(func, old_get_resource);
438	<	compiled = true;
438	>	status = COMPILE_CODE_OK;
439		break;
440		}
441	+	case NATIVE_CHECK_LOAD_INVOC:
442	+	dg.gen_load_T0_GPR(3);
443	+	dg.gen_load_T1_GPR(4);
444	+	dg.gen_se_16_32_T1();
445	+	dg.gen_load_T2_GPR(5);
446	+	dg.gen_invoke_T0_T1_T2((void (*)(uint32, uint32, uint32))check_load_invoc);
447	+	status = COMPILE_CODE_OK;
448	+	break;
449	+	#endif
450		case NATIVE_DISABLE_INTERRUPT:
451		dg.gen_invoke(DisableInterrupt);
452	<	compiled = true;
452	>	status = COMPILE_CODE_OK;
453		break;
454		case NATIVE_ENABLE_INTERRUPT:
455		dg.gen_invoke(EnableInterrupt);
456	<	compiled = true;
456	>	status = COMPILE_CODE_OK;
457		break;
458	<	case NATIVE_CHECK_LOAD_INVOC:
458	>	case NATIVE_BITBLT:
459		dg.gen_load_T0_GPR(3);
460	<	dg.gen_load_T1_GPR(4);
461	<	dg.gen_se_16_32_T1();
462	<	dg.gen_load_T2_GPR(5);
463	<	dg.gen_invoke_T0_T1_T2((void (*)(uint32, uint32, uint32))check_load_invoc);
464	<	compiled = true;
460	>	dg.gen_invoke_T0((void (*)(uint32))NQD_bitblt);
461	>	status = COMPILE_CODE_OK;
462	>	break;
463	>	case NATIVE_INVRECT:
464	>	dg.gen_load_T0_GPR(3);
465	>	dg.gen_invoke_T0((void (*)(uint32))NQD_invrect);
466	>	status = COMPILE_CODE_OK;
467	>	break;
468	>	case NATIVE_FILLRECT:
469	>	dg.gen_load_T0_GPR(3);
470	>	dg.gen_invoke_T0((void (*)(uint32))NQD_fillrect);
471	>	status = COMPILE_CODE_OK;
472		break;
473		}
474	+	// Could we fully translate this NativeOp?
475		if (FN_field::test(opcode)) {
476	<	if (compiled) {
476	>	if (status != COMPILE_FAILURE) {
477		dg.gen_load_A0_LR();
478		dg.gen_set_PC_A0();
479		}
480		cg_context.done_compile = true;
481	+	break;
482		}
483	<	else
483	>	else if (status != COMPILE_FAILURE) {
484		cg_context.done_compile = false;
485	+	break;
486	+	}
487	+	#if PPC_REENTRANT_JIT
488	+	// Try to execute NativeOp trampoline
489	+	dg.gen_set_PC_im(cg_context.pc + 4);
490	+	dg.gen_mov_32_T0_im(selector);
491	+	dg.gen_jmp(native_op_trampoline);
492	+	cg_context.done_compile = true;
493	+	status = COMPILE_EPILOGUE_OK;
494	+	break;
495	+	#endif
496	+	// Invoke NativeOp handler
497	+	typedef void (*func_t)(dyngen_cpu_base, uint32);
498	+	func_t func = (func_t)nv_mem_fun(&sheepshaver_cpu::execute_native_op).ptr();
499	+	dg.gen_invoke_CPU_im(func, selector);
500	+	cg_context.done_compile = false;
501	+	status = COMPILE_CODE_OK;
502		break;
503		}
504
505		default: {      // EMUL_OP
506	+	uint32 emul_op = EMUL_OP_field::extract(opcode) - 3;
507	+	#if ENABLE_NATIVE_EMUL_OP
508	+	typedef void (*emul_op_func_t)(dyngen_cpu_base);
509	+	emul_op_func_t emul_op_func = 0;
510	+	switch (emul_op) {
511	+	case OP_MICROSECONDS:
512	+	emul_op_func = (emul_op_func_t)nv_mem_fun(&sheepshaver_cpu::execute_emul_op_microseconds).ptr();
513	+	break;
514	+	case OP_IDLE_TIME:
515	+	emul_op_func = (emul_op_func_t)nv_mem_fun(&sheepshaver_cpu::execute_emul_op_idle_time_1).ptr();
516	+	break;
517	+	case OP_IDLE_TIME_2:
518	+	emul_op_func = (emul_op_func_t)nv_mem_fun(&sheepshaver_cpu::execute_emul_op_idle_time_2).ptr();
519	+	break;
520	+	}
521	+	if (emul_op_func) {
522	+	dg.gen_invoke_CPU(emul_op_func);
523	+	cg_context.done_compile = false;
524	+	status = COMPILE_CODE_OK;
525	+	break;
526	+	}
527	+	#endif
528	+	#if PPC_REENTRANT_JIT
529	+	// Try to execute EmulOp trampoline
530	+	dg.gen_set_PC_im(cg_context.pc + 4);
531	+	dg.gen_mov_32_T0_im(emul_op);
532	+	dg.gen_jmp(emul_op_trampoline);
533	+	cg_context.done_compile = true;
534	+	status = COMPILE_EPILOGUE_OK;
535	+	break;
536	+	#endif
537	+	// Invoke EmulOp handler
538		typedef void (*func_t)(dyngen_cpu_base, uint32);
539		func_t func = (func_t)nv_mem_fun(&sheepshaver_cpu::execute_emul_op).ptr();
540	<	dg.gen_invoke_CPU_im(func, EMUL_OP_field::extract(opcode) - 3);
540	>	dg.gen_invoke_CPU_im(func, emul_op);
541		cg_context.done_compile = false;
542	<	compiled = true;
542	>	status = COMPILE_CODE_OK;
543		break;
544		}
545		}
546	<	return compiled;
546	>	return status;
547	>	#endif
548	>	return COMPILE_FAILURE;
549	>	}
550	>
551	>	// CPU context to preserve on interrupt
552	>	sheepshaver_cpu::interrupt_context::interrupt_context(sheepshaver_cpu *_cpu, const char *_where)
553	>	{
554	>	#if SAFE_INTERRUPT_PPC >= 2
555	>	cpu = _cpu;
556	>	where = _where;
557	>
558	>	// Save interrupt context
559	>	memcpy(&gpr[0], &cpu->gpr(0), sizeof(gpr));
560	>	pc = cpu->pc();
561	>	lr = cpu->lr();
562	>	ctr = cpu->ctr();
563	>	cr = cpu->get_cr();
564	>	xer = cpu->get_xer();
565	>	#endif
566	>	}
567	>
568	>	sheepshaver_cpu::interrupt_context::~interrupt_context()
569	>	{
570	>	#if SAFE_INTERRUPT_PPC >= 2
571	>	// Check whether CPU context was preserved by interrupt
572	>	if (memcmp(&gpr[0], &cpu->gpr(0), sizeof(gpr)) != 0) {
573	>	printf("FATAL: %s: interrupt clobbers registers\n", where);
574	>	for (int i = 0; i < 32; i++)
575	>	if (gpr[i] != cpu->gpr(i))
576	>	printf(" r%d: %08x -> %08x\n", i, gpr[i], cpu->gpr(i));
577	>	}
578	>	if (pc != cpu->pc())
579	>	printf("FATAL: %s: interrupt clobbers PC\n", where);
580	>	if (lr != cpu->lr())
581	>	printf("FATAL: %s: interrupt clobbers LR\n", where);
582	>	if (ctr != cpu->ctr())
583	>	printf("FATAL: %s: interrupt clobbers CTR\n", where);
584	>	if (cr != cpu->get_cr())
585	>	printf("FATAL: %s: interrupt clobbers CR\n", where);
586	>	if (xer != cpu->get_xer())
587	>	printf("FATAL: %s: interrupt clobbers XER\n", where);
588		#endif
389	–	return false;
589		}
590
591		// Handle MacOS interrupt
#	Line 397 | Line 596 | void sheepshaver_cpu::interrupt(uint32 e
596		const clock_t interrupt_start = clock();
597		#endif
598
599	+	#if SAFE_INTERRUPT_PPC
600	+	static int depth = 0;
601	+	if (depth != 0)
602	+	printf("FATAL: sheepshaver_cpu::interrupt() called more than once: %d\n", depth);
603	+	depth++;
604	+	#endif
605	+
606		#if !MULTICORE_CPU
607		// Save program counters and branch registers
608		uint32 saved_pc = pc();
#	Line 454 | Line 660 | void sheepshaver_cpu::interrupt(uint32 e
660		#if EMUL_TIME_STATS
661		interrupt_time += (clock() - interrupt_start);
662		#endif
663	+
664	+	#if SAFE_INTERRUPT_PPC
665	+	depth--;
666	+	#endif
667		}
668
669		// Execute 68k routine
#	Line 818 | Line 1028 | void exit_emul_ppc(void)
1028		#endif
1029		}
1030
1031	+	#if PPC_ENABLE_JIT && PPC_REENTRANT_JIT
1032	+	// Initialize EmulOp trampolines
1033	+	void init_emul_op_trampolines(basic_dyngen & dg)
1034	+	{
1035	+	typedef void (*func_t)(dyngen_cpu_base, uint32);
1036	+	func_t func;
1037	+
1038	+	// EmulOp
1039	+	emul_op_trampoline = dg.gen_start();
1040	+	func = (func_t)nv_mem_fun(&sheepshaver_cpu::execute_emul_op).ptr();
1041	+	dg.gen_invoke_CPU_T0(func);
1042	+	dg.gen_exec_return();
1043	+	dg.gen_end();
1044	+
1045	+	// NativeOp
1046	+	native_op_trampoline = dg.gen_start();
1047	+	func = (func_t)nv_mem_fun(&sheepshaver_cpu::execute_native_op).ptr();
1048	+	dg.gen_invoke_CPU_T0(func);
1049	+	dg.gen_exec_return();
1050	+	dg.gen_end();
1051	+
1052	+	D(bug("EmulOp trampoline:   %p\n", emul_op_trampoline));
1053	+	D(bug("NativeOp trampoline: %p\n", native_op_trampoline));
1054	+	}
1055	+	#endif
1056	+
1057		/*
1058		*  Emulation loop
1059		*/
#	Line 881 | Line 1117 | void sheepshaver_cpu::handle_interrupt(v
1117		// 68k emulator inactive, in nanokernel?
1118		assert(current_cpu == main_cpu);
1119		if (gpr(1) != KernelDataAddr) {
1120	+	interrupt_context ctx(this, "PowerPC mode");
1121	+
1122		// Prepare for 68k interrupt level 1
1123		WriteMacInt16(tswap32(kernel_data->v[0x67c >> 2]), 1);
1124		WriteMacInt32(tswap32(kernel_data->v[0x658 >> 2]) + 0xdc,
#	Line 903 | Line 1141 | void sheepshaver_cpu::handle_interrupt(v
1141		case MODE_EMUL_OP:
1142		// 68k emulator active, within EMUL_OP routine, execute 68k interrupt routine directly when interrupt level is 0
1143		if ((ReadMacInt32(XLM_68K_R25) & 7) == 0) {
1144	+	interrupt_context ctx(this, "68k mode");
1145		#if 1
1146		// Execute full 68k interrupt routine
1147		M68kRegisters r;
#	Line 940 | Line 1179 | static void get_ind_resource(void);
1179		static void get_1_ind_resource(void);
1180		static void r_get_resource(void);
1181
1182	<	#define GPR(REG) current_cpu->gpr(REG)
1183	<
945	<	static void NativeOp(int selector)
1182	>	// Execute NATIVE_OP routine
1183	>	void sheepshaver_cpu::execute_native_op(uint32 selector)
1184		{
1185		#if EMUL_TIME_STATS
1186		native_exec_count++;
#	Line 960 | Line 1198 | static void NativeOp(int selector)
1198		VideoVBL();
1199		break;
1200		case NATIVE_VIDEO_DO_DRIVER_IO:
1201	<	GPR(3) = (int32)(int16)VideoDoDriverIO((void *)GPR(3), (void *)GPR(4),
1202	<	(void *)GPR(5), GPR(6), GPR(7));
1201	>	gpr(3) = (int32)(int16)VideoDoDriverIO((void *)gpr(3), (void *)gpr(4),
1202	>	(void *)gpr(5), gpr(6), gpr(7));
1203		break;
1204		#ifdef WORDS_BIGENDIAN
1205		case NATIVE_ETHER_IRQ:
1206		EtherIRQ();
1207		break;
1208		case NATIVE_ETHER_INIT:
1209	<	GPR(3) = InitStreamModule((void *)GPR(3));
1209	>	gpr(3) = InitStreamModule((void *)gpr(3));
1210		break;
1211		case NATIVE_ETHER_TERM:
1212		TerminateStreamModule();
1213		break;
1214		case NATIVE_ETHER_OPEN:
1215	<	GPR(3) = ether_open((queue_t *)GPR(3), (void *)GPR(4), GPR(5), GPR(6), (void*)GPR(7));
1215	>	gpr(3) = ether_open((queue_t *)gpr(3), (void *)gpr(4), gpr(5), gpr(6), (void*)gpr(7));
1216		break;
1217		case NATIVE_ETHER_CLOSE:
1218	<	GPR(3) = ether_close((queue_t *)GPR(3), GPR(4), (void *)GPR(5));
1218	>	gpr(3) = ether_close((queue_t *)gpr(3), gpr(4), (void *)gpr(5));
1219		break;
1220		case NATIVE_ETHER_WPUT:
1221	<	GPR(3) = ether_wput((queue_t *)GPR(3), (mblk_t *)GPR(4));
1221	>	gpr(3) = ether_wput((queue_t *)gpr(3), (mblk_t *)gpr(4));
1222		break;
1223		case NATIVE_ETHER_RSRV:
1224	<	GPR(3) = ether_rsrv((queue_t *)GPR(3));
1224	>	gpr(3) = ether_rsrv((queue_t *)gpr(3));
1225	>	break;
1226	>	#else
1227	>	case NATIVE_ETHER_INIT:
1228	>	// FIXME: needs more complicated thunks
1229	>	gpr(3) = false;
1230		break;
1231	+	#endif
1232		case NATIVE_SYNC_HOOK:
1233	<	GPR(3) = NQD_sync_hook(GPR(3));
1233	>	gpr(3) = NQD_sync_hook(gpr(3));
1234		break;
1235		case NATIVE_BITBLT_HOOK:
1236	<	GPR(3) = NQD_bitblt_hook(GPR(3));
1236	>	gpr(3) = NQD_bitblt_hook(gpr(3));
1237		break;
1238		case NATIVE_BITBLT:
1239	<	NQD_bitblt(GPR(3));
1239	>	NQD_bitblt(gpr(3));
1240		break;
997	–	#if 0
1241		case NATIVE_FILLRECT_HOOK:
1242	<	GPR(3) = NQD_fillrect_hook(GPR(3));
1242	>	gpr(3) = NQD_fillrect_hook(gpr(3));
1243		break;
1244		case NATIVE_INVRECT:
1245	<	NQD_invrect(GPR(3));
1003	<	break;
1004	<	case NATIVE_FILLRECT_8:
1005	<	NQD_fillrect8(GPR(3));
1245	>	NQD_invrect(gpr(3));
1246		break;
1247	<	case NATIVE_FILLRECT_32:
1248	<	NQD_fillrect32(GPR(3));
1247	>	case NATIVE_FILLRECT:
1248	>	NQD_fillrect(gpr(3));
1249		break;
1010	–	#endif
1011	–	#else
1012	–	case NATIVE_ETHER_INIT:
1013	–	// FIXME: needs more complicated thunks
1014	–	GPR(3) = false;
1015	–	break;
1016	–	#endif
1250		case NATIVE_SERIAL_NOTHING:
1251		case NATIVE_SERIAL_OPEN:
1252		case NATIVE_SERIAL_PRIME_IN:
#	Line 1031 | Line 1264 | static void NativeOp(int selector)
1264		SerialStatus,
1265		SerialClose
1266		};
1267	<	GPR(3) = serial_callbacks[selector - NATIVE_SERIAL_NOTHING](GPR(3), GPR(4));
1267	>	gpr(3) = serial_callbacks[selector - NATIVE_SERIAL_NOTHING](gpr(3), gpr(4));
1268		break;
1269		}
1270		case NATIVE_GET_RESOURCE:
#	Line 1041 | Line 1274 | static void NativeOp(int selector)
1274		case NATIVE_R_GET_RESOURCE: {
1275		typedef void (*GetResourceCallback)(void);
1276		static const GetResourceCallback get_resource_callbacks[] = {
1277	<	get_resource,
1278	<	get_1_resource,
1279	<	get_ind_resource,
1280	<	get_1_ind_resource,
1281	<	r_get_resource
1277	>	::get_resource,
1278	>	::get_1_resource,
1279	>	::get_ind_resource,
1280	>	::get_1_ind_resource,
1281	>	::r_get_resource
1282		};
1283		get_resource_callbacks[selector - NATIVE_GET_RESOURCE]();
1284		break;
#	Line 1057 | Line 1290 | static void NativeOp(int selector)
1290		EnableInterrupt();
1291		break;
1292		case NATIVE_MAKE_EXECUTABLE:
1293	<	MakeExecutable(0, (void *)GPR(4), GPR(5));
1293	>	MakeExecutable(0, (void *)gpr(4), gpr(5));
1294		break;
1295		case NATIVE_CHECK_LOAD_INVOC:
1296	<	check_load_invoc(GPR(3), GPR(4), GPR(5));
1296	>	check_load_invoc(gpr(3), gpr(4), gpr(5));
1297		break;
1298		default:
1299		printf("FATAL: NATIVE_OP called with bogus selector %d\n", selector);

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